N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 2026) · next update tomorrow 6:00 am CDT

Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

WB4BT HAM

✅ Available for a vanity request — free since Dec 30, 2014.

2x2 call: Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Dec 30, 2014

Previous holder: PHILLIP M WALKER

Held WB4BT Apr 28, 2012 → Dec 29, 2012 · first licensed Nov 4, 1996 as K0VX · 10 licenses · FRN 0012652152

📦 Moved: Lake Wales,, FL → Winter Haven, FL

K0VX Expired Amateur Extra · vanity Aug 30, 2013 → Aug 30, 2023 (expired)

Licensee
PHILLIP M WALKER

Address
833 REFLECTIONS LOOP EAST
WINTER HAVEN, FL 33884-3568
27.9828, -81.6817 (ZIP center) · Grid EL97dx · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB4CW (Advanced)

Last granted
Aug 30, 2013

Effective
Nov 18, 2014

Last action
Sep 3, 2025
FCC actions (4)
- Sep 3, 2025 — License expired LIEXP
- Nov 18, 2014 — Administrative update LIAUA
- Aug 30, 2013 — Vanity call sign granted VANGRT
- Aug 30, 2013 — License issued LIISS
WB4CW Canceled Amateur Extra · vanity Dec 29, 2012 → Aug 30, 2013 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB4BT (Advanced)

Last granted
Dec 29, 2012

Effective
Dec 29, 2012

Last action
Aug 30, 2013
FCC actions (3)
- Aug 30, 2013 — License canceled LICAN
- Dec 29, 2012 — Vanity call sign granted VANGRT
- Dec 29, 2012 — License issued LIISS
WB4BT Canceled Amateur Extra · vanity Apr 28, 2012 → Dec 29, 2012 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB4CW (Advanced)

Last granted
Apr 28, 2012

Effective
Apr 28, 2012

Last action
Dec 29, 2012
FCC actions (3)
- Dec 29, 2012 — License canceled LICAN
- Apr 28, 2012 — Vanity call sign granted VANGRT
- Apr 28, 2012 — License issued LIISS
WB4CW Canceled Amateur Extra · vanity Nov 1, 2011 → Apr 28, 2012 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB6YBT (Advanced)

Last granted
Nov 1, 2011

Effective
Nov 1, 2011

Last action
Apr 28, 2012
FCC actions (3)
- Apr 28, 2012 — License canceled LICAN
- Nov 1, 2011 — Vanity call sign granted VANGRT
- Nov 1, 2011 — License issued LIISS
WB6YBT Canceled Amateur Extra · vanity Apr 26, 2011 → Nov 1, 2011 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB4CW (Advanced)

Last granted
Apr 26, 2011

Effective
Apr 26, 2011

Last action
Nov 1, 2011
FCC actions (3)
- Nov 1, 2011 — License canceled LICAN
- Apr 26, 2011 — Vanity call sign granted VANGRT
- Apr 26, 2011 — License issued LIISS
📦 Moved: Lake Wales, FL → Lake Wales,, FL

WB4CW Canceled Amateur Extra · vanity Aug 29, 2008 → Apr 26, 2011 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
N0ZL (Advanced)

Last granted
Aug 29, 2008

Effective
Aug 29, 2008

Last action
Apr 26, 2011
FCC actions (3)
- Apr 26, 2011 — License canceled LICAN
- Aug 29, 2008 — Vanity call sign granted VANGRT
- Aug 29, 2008 — License issued LIISS
📦 Moved: Mandan, ND → Lake Wales, FL

N0ZL Canceled Amateur Extra · vanity Jul 17, 2007 → Aug 29, 2008 (canceled)

Licensee
PHILLIP M WALKER

Address
4440 Strathmore Drive
Lake Wales, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗

FRN
0012652152

Previous call
WB0CW (Advanced)

Last granted
Jul 17, 2007

Effective
Aug 12, 2008

Last action
Aug 29, 2008
FCC actions (4)
- Aug 29, 2008 — License canceled LICAN
- Aug 12, 2008 — Administrative update LIAUA
- Jul 17, 2007 — Vanity call sign granted VANGRT
- Jul 17, 2007 — License issued LIISS
WB0CW Canceled Amateur Extra · vanity Aug 30, 2005 → Jul 17, 2007 (canceled)

Licensee
PHILLIP M WALKER

Address
3405 37TH ST NW
MANDAN, ND 58554
46.7557, -100.9487 (ZIP center) · Grid DN96ms · CQ 4 · ITU 7 · map ↗

FRN
0012652152

Previous call
KB4AA (Advanced)

Last granted
Aug 30, 2005

Effective
Aug 30, 2005

Last action
Jul 17, 2007
FCC actions (3)
- Jul 17, 2007 — License canceled LICAN
- Aug 30, 2005 — Vanity call sign granted VANGRT
- Aug 30, 2005 — License issued LIISS
KB4AA Canceled Amateur Extra · vanity Mar 2, 2005 → Aug 30, 2005 (canceled)

Licensee
PHILLIP M WALKER

Address
3405 37TH ST NW
MANDAN, ND 58554
46.7557, -100.9487 (ZIP center) · Grid DN96ms · CQ 4 · ITU 7 · map ↗

FRN
0012652152

Previous call
K0VX (Advanced)

Last granted
Mar 2, 2005

Effective
Mar 2, 2005

Last action
Aug 30, 2005
FCC actions (3)
- Aug 30, 2005 — License canceled LICAN
- Mar 2, 2005 — Vanity call sign granted VANGRT
- Mar 2, 2005 — License issued LIISS
K0VX Canceled Amateur Extra · vanity Nov 4, 1996 → Mar 2, 2005 (canceled)

Licensee
PHILLIP M WALKER

Address
3405 37TH ST NW
MANDAN, ND 58554
46.7557, -100.9487 (ZIP center) · Grid DN96ms · CQ 4 · ITU 7 · map ↗

FRN
0012652152

Previous call
KK0Q (Advanced)

Last granted
Nov 4, 1996

Effective
Nov 4, 1996

Last action
Mar 2, 2005
FCC actions (2)
- Mar 2, 2005 — License canceled LICAN
- Feb 16, 2005 — FCC action LTSFRN

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Mar 28, 2015 → Sep 27, 2026 · 35 snapshots · as K0VX
PHILLIP M WALKER
833 REFLECTIONS LOOP EAST, WINTER HAVEN, FL 33884-3568
27.9828, -81.6817 (ZIP center) · Grid EL97dx · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as N0ZL
PHILLIP M WALKER
4440 Strathmore Drive, Lake Wales, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 222 snapshots · as WB4CW
PHILLIP M WALKER
4440 Strathmore Drive, Lake Wales,, FL 33859
27.8852, -81.6282 (ZIP center) · Grid EL97ev · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 139 snapshots · as K0VX
PHILLIP M WALKER
3405 37TH ST NW, MANDAN, ND 58554
46.7557, -100.9487 (ZIP center) · Grid DN96ms · CQ 4 · ITU 7 · map ↗

Others requesting WB4BT

9 applications listed WB4BT as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 11, 2025	Dec 29, 2025	KK4QVZ · Bradford N Baker · Decatur, GA	5	Granted
Feb 8, 2023	Feb 26, 2023	KY4VD · Michael D Miller · Midlothian, VA	6	Granted
Jan 4, 2023	Jan 22, 2023	KO4WIQ · Bradley W Taylor · DULLES, VA	6	Granted
Sep 19, 2022	Oct 7, 2022	KQ4BSB · SHANNON D GREATHEAD · MURPHY, NC	5	Granted
Mar 28, 2022	Apr 15, 2022	KN4DKF · Tom S Gordie · Fort Mill, SC	24	Granted
Mar 28, 2019	Apr 15, 2019	KL7LT · ROBERT J BUREK · CROSSVILLE, TN	8	Granted
Oct 28, 2015	Nov 15, 2015	KD4LQA · ERNEST H FRITZ JR · DAVIE, FL	9	Dismissed
Apr 10, 2012	Apr 28, 2012	WB4CW · PHILLIP M WALKER · Lake Wales,, FL	1	Granted
Jan 8, 2007	Jan 26, 2007	WB4YFZ · JIMMY L TURNER · FLORENCE, SC	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WB4BT in the last 24 hours. They show up here within seconds of WB4BT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.